Doorcheck



Fatented Feb. 13, 1934 UNiTED STATES PATENT OFFICE 7 1 Claim.

This invention relates to hinge construction, the primary object of the invention being to provide a hinge constructed in such a manner that the door with which the hinge is connected, will s be checked and held at various angles of open 'ge eliminating the necessity of discarding the entire hinge to install the improvement.

still further object of the invention is to provide means whereby the tensioning spring of the hinge may be adjusted to vary the tension of 5 the hinge, thereby adapting the hinge for use in connection with hinges and doors of various sizes.

With theforegoing and other objects in view, which will appear as the description proceeds, the invention residesin the combination and arrangement of parts and in the details of construction hereinafter described a nd claimed, it being understood that changes in the precise embodiment I of the invention herein disclosed, may be made within the scope of what is claimed, without departing from the spirit of the invention.

Referring to the drawing:

Figure 1 is an elevational view of a hinge con- :structed in accordance with the invention, parts thereof being shown in section. V

Figure 2 is a sectional view taken on line 2-2 of Figure 1.

Figure 3 is a sectional view taken on line 3--3 of Figure 1.

Figure 4 is a plan view of the lower locking disk.

Figure 5 is a bottom plan view of the lower locking disk.

Figure 6 is a top view of the upper locking disk.

Referring to the drawing in detail, the hinge comprises the usual leaves 5 and 6 respectively, which leaves are connected by means of the hinge pin '7 which is formed with a head 8 at its lower end.

This pin '7 is of a length to extend an appreciable distance above the hinge proper, the extended portion being square in cross section, throughout a portion of its length as indicated at 9, the upper extremity of the pin being threaded as at 10, to receive the spring tensioning head 11.

As clearly shown by Figure 2 of the drawing, the pin '7 is secured to the leaf 5 of the hinge,

by means of the pin 12 that passes through reg istering openings in the hinge and pin.

Positioned on the pin, is a clutch disk 13, which is formed with a lug 14 fitted in a recess formed in the leaf section 6 of the hinge, locking the clutch disk 13 to the hinge. This disk 13 is formed with a circular opening to receive the pin '7, so that rotary movement of the pin with respect to the clutch disk 13, will be permitted.

Cooperating with the clutch disk 13, is an upper clutch disk 15, which is formed with a square opening 16 to accommodate the square portion 9 of the pin, so that the clutch disk 15 is se cured to the pin 7, to move therewith.

These clutch disks 13 and 15 have cooperating teeth 17 that restrict movement of the clutch disks with respect to each other, and since clutch disk 15 moves with the pin '7 and hinge leaf 5, and the clutch disk 13 moves with the hinge leaf 6, movement of one leaf of the hinge with respect to the other leaf, will be restricted.

Positioned on the upper end of the hinge pin '7, is a coiled spring 18 that has its lower end resting on the clutch disk 15, urging the clutch disk 15 into engagement with the clutch disk 13.

As shown by Figure 2 of the drawing, the clutch disk 15 is provided with a reduced portion 19 which is of a diameter to extend into the sleeve 20, holding the sleeve in its proper position on the hinge.

The tensioning head 11, is of a diameter to fit within the upper end of the sleeve 20, to present a neat appearance, the sleeve and head 11 completely concealing the spring 18.

Thus it will be seen that due to the construction shown and described, the tension of the spring may be adjusted to meet various requirements of use, and thereby providing a hinge that may be used with either heavy or light doors.

Due to the tension of the spring, the clutch disks will be urged together insuring against the door equipped with the hinge, being closed by wind pressure.

t might be further stated that the clutch disks which are constructed of metal, will cause a noise to be made, indicating that the door a reduced upper end, a sleeve positioned over said reduced upper end of the clutch disk, a coiled spring surrounding the upper end of the pivot pin, and a tensioning head having a threaded opening to accommodate the threaded portion of the pivot pin, said tensioning head bearing directly against the spring, tensioning the spring, and said tensioning head being of a diameter to closely fit within the sleeve, and held against lateral movement by the sleeve.

WALTER CLAYTON. 

